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Bobs Ten
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Date:  9-22-2019
Number of Hours:  1.00
Manual Reference:  
Brief Description:  Install Firewall Picollo Tube Fittings

1530 - 1630

I decided to install a set of 1/8" barb bulkhead fittings to facilitate connection of piccolo tubes in the cowl area, should it become necessary.

I was able to source these SS fittings in 1/8" via the internet, and am quite happy with the quality of the fittings.

I fabricated a small doubler for the aft side of the firewall from 063 aluminum using standard techniques. The holes for the fittings were drilled, deburred, and the doubler was the riveted to the firewall with blind rivets.

Next, the fittings were installed using internal lock washers and blue loctite.

Both forward and aft ends of the fittings were capped with high temperature silicone caps. These caps are easily removed and norprene tubing installed in the event piccolo tube measurement become necessary.
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